Kumar, P., & Rai, S. K. (2011). GATE 2012: Biotechnology. Koncept books.
Chicago Style aipamenaKumar, Prabhanshu, and Santosh Kumar Rai. GATE 2012: Biotechnology. Dehradun: Koncept books, 2011.
MLA aipamenaKumar, Prabhanshu, and Santosh Kumar Rai. GATE 2012: Biotechnology. Koncept books, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.